Easy Installation and Maintenance: Installation is simple and maintaining your lint trap is as easy as cleaning or replacing the filter when Efficient Lint Capture: The Dryer Duct Lint Trap is made from strong, rust- materials. It catches lint before it enters your duct system. Safety and Cost Effective: Protect your home from dryer fires with the indoor dryer vent lint trap; reduce the risk of dryer fires by keeping the dryer duct clean and free of lint. Door Lid: The door allows an unobstructed view of the lint trap, which should be removed and cleaned after each load of laundry.